KIDNAPPERS KILLED FOUR POLICEMEN IN SOUTHERN MEXICO, GAGGING AND SHOOTING THREE AND BEHEADING ANOTHER IN THE LATEST ATTACK ON OFFICERS AHEAD OF NEXT WEEK'S PRESIDENTIAL ELECTION, OFFICIALS SAID ON SUNDAY, ACCORDING TO REUTERS. LOCAL POLICE SAID THE FOUR WERE KIDNAPPED LAST WEEK IN A REMOTE PART OF GUERRERO STATE, HOME TO THE ONCE-GLAMOROUS PACIFIC RESORT ACAPULCO, WHICH HAS BECOME A KEY FRONT IN A BATTLE BETWEEN DRUG TRAFFICKERS AND THE GOVERNMENT. A POLICE SPOKESMAN SAID A DRUGS GANG WAS THOUGHT TO BE BEHIND THE KILLINGS.